pytorch

4a28c593 - Don't substitute in symbolic shapes to shape compute graph (#59811)

Don't substitute in symbolic shapes to shape compute graph (#59811) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/59811 We don't want to actually substitute in symbolic shapes, because it invalidates the partially evaluated graph for further use. Test Plan: Imported from OSS Reviewed By: pbelevich, zhxchen17 Differential Revision: D30200059 Pulled By: eellison fbshipit-source-id: 267ed97d8421fe480dec494cdf0dec9cf9ed3ba2